Journal
MACROMOLECULAR RESEARCH
Volume 17, Issue 9, Pages 638-645Publisher
POLYMER SOC KOREA
DOI: 10.1007/BF03218922
Keywords
hybrid composites; fully aliphatic polyimides; mesoporous silica; dielectric properties
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Funding
- Ministry of Knowledge Economy, Republic of Korea
- Ministry of Education, Science and Technology (MEST) [2009-0078791, R32-2008-000-10174-0]
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We report the effect of the amount of the mesoporous material, SBA-15, on the basic traits of fully aliphatic polyimides (API). For this purpose, water soluble, fully aliphatic poly(amic acid) triethyl amine salts (PAA((s))) were prepared and mixed with various amounts of SBA-15. Fully aliphatic polyimide hybrid composites containing the SBA 15-type mesoporous silica were synthesized successfully from bicyclo [2.2.2] oct-7-ene-2,3,5,6-tetracarboxylic dianhydride and alicyclic diamine, 4,4'-methylene bis(2-methylcyclohexylamine). The structure of the hybrid composites was confirmed by IR spectroscopic analysis. Scanning electron microscopy revealed the morphology of the compounds. The hybrid composites exhibited good thermal stability, reasonable transparency, and a low dielectric constant.
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